Perhaps you should try some spelling variations:
yan huang » yang guang, yan guan, yan liang
huang wen » huang weng, huang bin, huang he
chih john » child john, china john, chih jou
john song » john wong, john bonn, john ngosong
song kong » hong kong, sing kong, song chong
wen chih » wen chin, chen chih, lin chih
kong shu » cong shu, kong siu, tong shui

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR lang) yan huang wen chih john song kong shu ;~.
• Adding a wildcard symbol may retrieve word variants: (wing or lang) yan huang wen chih john song kong shu ;*.